republican chris christie, predicting just that. >> you're going to be shaking your head, saying it's a brand new race. >> reporter: running mate paul ryan today, hanging success in these final 36 days on the debates. >> the debate and choice phase, the debate phase in our campaign. we will make this case in our debates. >> reporter: and tonight, a hint of what we're he'll on the stage here in denver. we heard repeatedly from them, we cannot afford another four years like the last four. we can expect to hear that. and they say with the numbers where they are in the battleground states right now, they are not trying to reach the undecideds, they are trying to peel away some of president obama's supporters, too. >> all right, david. david and jake and george stephanopoulos and i and the entire abc news political team will be covering it, one-on-one, wednesday night. the candidates debate, beginning at 9:00 eastern/6:00 pacific. >>> and, now, the latest on the major recall of a staple in american kitchens, peanut butter. the recall is growing. the centers for disease control has now conf